How to read it: in each row, the time under "Top 10%" is the time of the slowest athlete who still made the fastest 10% of the age group. Beat that time and you are in. Age groups with fewer than 5 finishers are omitted. Finishers only.
Men
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 1,495 | 4:25:30 | 4:43:43 | 4:54:49 | 5:09:48 | 5:50:41 | 4:11:39 |
| M18-24 | 9 | 4:25:01 | 4:25:01 | 4:25:01 | 4:48:35 | 5:40:01 | 4:25:01 |
| M25-29 | 53 | 4:30:02 | 4:37:28 | 4:47:59 | 5:01:52 | 5:45:35 | 4:30:02 |
| M30-34 | 158 | 4:13:11 | 4:25:30 | 4:44:46 | 4:58:17 | 5:27:17 | 4:11:39 |
| M35-39 | 253 | 4:25:24 | 4:36:15 | 4:44:33 | 5:00:40 | 5:43:48 | 4:16:28 |
| M40-44 | 316 | 4:30:53 | 4:44:52 | 4:53:29 | 5:05:05 | 5:36:39 | 4:20:15 |
| M45-49 | 307 | 4:33:14 | 4:50:08 | 4:59:24 | 5:16:50 | 5:51:50 | 4:23:11 |
| M50-54 | 199 | 4:35:26 | 4:56:27 | 5:03:51 | 5:25:07 | 6:03:16 | 4:24:46 |
| M55-59 | 137 | 4:58:55 | 5:13:28 | 5:20:08 | 5:37:54 | 6:15:23 | 4:37:38 |
| M60-64 | 41 | 4:40:28 | 4:56:23 | 5:06:18 | 5:41:38 | 6:06:26 | 4:40:28 |
| M65-69 | 15 | 5:29:56 | 5:29:56 | 5:38:50 | 5:41:46 | 6:59:07 | 5:29:56 |
Women
| Age group | Finishers | Top 1% | Top 5% | Top 10% | Top 20% | Median | Best |
|---|---|---|---|---|---|---|---|
| All age groups | 982 | 4:48:39 | 5:10:12 | 5:27:01 | 5:44:56 | 6:24:34 | 4:30:22 |
| F18-24 | 15 | 5:14:15 | 5:14:15 | 5:31:39 | 5:37:39 | 6:35:12 | 5:14:15 |
| F25-29 | 60 | 4:34:34 | 4:49:54 | 5:07:38 | 5:38:09 | 6:04:19 | 4:34:34 |
| F30-34 | 111 | 4:44:51 | 5:02:04 | 5:15:10 | 5:38:13 | 6:07:04 | 4:36:53 |
| F35-39 | 180 | 4:52:22 | 5:03:02 | 5:18:17 | 5:41:40 | 6:24:35 | 4:45:14 |
| F40-44 | 217 | 4:51:21 | 5:11:32 | 5:20:01 | 5:39:57 | 6:20:17 | 4:39:20 |
| F45-49 | 195 | 4:48:39 | 5:16:15 | 5:29:19 | 5:48:09 | 6:25:59 | 4:45:08 |
| F50-54 | 121 | 5:10:23 | 5:31:27 | 5:45:37 | 5:55:45 | 6:38:25 | 4:55:03 |
| F55-59 | 59 | 5:13:05 | 5:28:47 | 5:47:05 | 6:12:43 | 6:44:52 | 5:13:05 |
| F60-64 | 23 | 5:43:25 | 5:51:39 | 6:18:39 | 6:26:00 | 7:13:21 | 5:43:25 |
Source: Seffrin A., Nikolaidis P.T., Andrade M.S., Villiger E., Rosemann T., Weiss K., Ferreira D., Knechtle B. (2026). A dataset of 2.7 million IRONMAN triathlon records with transition times (2002-2026), v3.0.0. Zenodo. CC BY 4.0. doi:10.5281/zenodo.22097794.